2. Customers rave about the exceptional service and extensive inventory at KOI Auto Parts. They appreciate the friendly and knowledgeable staff, as well as the convenience of always finding the parts they need in stock. With multiple store locations and warehouses, KOI offers a wide range of OE, Import, Aftermarket, & Automotive Accessories, Tools, Refinish Supplies, Tractor, Mower, ATV & Marine Parts, Shop Supplies, and more, making it a one-stop shop for all automotive needs. 6. Unique facts about KOI Auto Parts include their 60+ store locations, multiple warehouses, and a vast inventory with hundreds of thousands of unique part numbers. They also offer professional services such as specialized parts delivery, mobile batteries, detailing trucks, and knowledgeable sales professionals to assist customers. 7. KOI Auto Parts specializes in providing world-class customer service to repair shops, collision centers, dealerships, and retail customers in Kentucky, Ohio, and Indiana. They prioritize customer satisfaction and offer a variety of services to meet the needs of their diverse clientele.